.\" The "BSD-New" License .\" .\" Copyright (c) 2013, NLNet Labs, Verisign, Inc. .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions are met: .\" * Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" * Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" * Neither the names of the copyright holders nor the .\" names of its contributors may be used to endorse or promote products .\" derived from this software without specific prior written permission. .\" .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE .\" DISCLAIMED. IN NO EVENT SHALL Verisign, Inc. BE LIABLE FOR ANY .\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES .\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; .\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND .\" ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS .\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .TH getdns_list 3 "December 2015" "getdns 1.6.0" getdns .SH NAME .B getdns_list_get, .B getdns_list_get_bindata, .B getdns_list_get_data_type, .B getdns_list_get_dict, .B getdns_list_get_length, .B getdns_list_get_list, .B getdns_list_get_int -- get a value by index from a getdns list .SH LIBRARY DNS Resolver library (libgetdns, \-lgetdns) .SH SYNOPSIS #include getdns_return_t .br .B getdns_list_get_bindata (getdns_list *this_list, .RS 3 size_t index, .br getdns_bindata **answer) .RE getdns_return_t .br .B getdns_list_get_data_type (getdns_list *this_list, .RS 3 size_t index, .br getdns_data_type *answer) .RE getdns_return_t .br .B getdns_list_get_dict (getdns_list *this_list, .RS 3 size_t index, .br getdns_dict **answer) .RE getdns_return_t .br .B getdns_list_get_length (getdns_list *this_list, .RS 3 size_t *answer) .RE getdns_return_t .br .B getdns_list_get_list (getdns_list *this_list, .RS 3 size_t index, .br getdns_list **answer) .RE getdns_return_t .br .B getdns_list_get_int (getdns_list *this_list, .RS 3 size_t index, .br uint32_t *answer) .RE .SH DESCRIPTION .LP The getdns_list type is used to manage heterogeneous lists in which the objects are each one of the data types: .RS 3 .br getdns_bindata .br getdns_dict .br getdns_list .br uint32_t .RE .LP .I this_list the list from which to retrieve the object .LP .I index the numeric index (0 based) of the item in the list you would like copied to answer .LP .I answer a copy of the object in the list is placed in answer, the caller is responsible for freeing the storage associated with that object by calling the appropriate destroy function. .SH "RETURN VALUES" Upon successful completion the functions return .B GETDNS_RETURN_GOOD , otherwise the following error values are returned: .LP .B GETDNS_RETURN_GENERIC_ERROR if this_list is not a valid list .LP .B GETDNS_RETURN_NO_SUCH_LIST_ITEM if index is out of range .LP .B GETDNS_RETURN_WRONG_TYPE_REQUESTED if the requested data type doesn't match the contents of the indexed argument .SH EXAMPLES TBD .SH SEE ALSO .BR libgetdns (3), .BR getdns_address (3), .BR getdns_dict (3), .BR getdns_general (3), .BR getdns_hostname (3), .BR getdns_service (3),